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  1. #include<iostream>
  2. #include<cstdio>
  3.  
  4. using namespace std;
  5.  
  6. int a[1000005];
  7. unsigned long long int sum;
  8.  
  9. int main(){
  10.     long long int t,n,i,w,wprev;
  11.     cin>>t;
  12.     while(t--){
  13.      sum=0;
  14.      scanf("%lld",&n);
  15.      scanf("%d",&a[0]);
  16.      sum+=a[0];
  17.      wprev=1;
  18.      for(i=1; i<n; i++){
  19.         scanf("%d",&a[i]);
  20.         if(a[i]<0)
  21.         {
  22.            w=2;
  23.            sum+=w*a[i];
  24.            wprev=2;
  25.         }
  26.         else
  27.         {
  28.         w=wprev+1;
  29.         sum+=w*a[i];
  30.         wprev=w;
  31.         }
  32.      }
  33.      printf("%llu\n",sum);
  34.     }
  35.     return 0;
  36. }
  37.  
Success #stdin #stdout 0s 6592KB
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https://ideone.com/L66Onw
language:
C++ 4.3.2 (gcc-4.3.2)
created:
8 years ago
visibility:
secret

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